Hacksaw with novel blade mounting means

ABSTRACT

A hacksaw includes an integrally formed frame member providing a bridge section and outer and inner end sections depending therefrom. The inner end section has a reversely bent portion extending laterally to one side thereof to provide a transversely extending mounting arm at its free end and a spacing between the transversely extending mounting arm and the other arm of the reversely bent mounting portion. Handle means are provided on the inner end section and blade engaging means are provided on the outer end section adjacent the free end thereof for engaging one end of the hacksaw. Mounting means are provided on the mounting arm to engage the other end of the associated hacksaw blade. The blade engaging means on the outer end section includes a transversely extending pin projecting from one side surface thereof and a laterally offset leg portion adapted to bear upon the side surface of the associated hacksaw blade to retain it upon the transversely extending pin. The blade engaging means may also include a depending pin at the free end thereof so that the blade may be mounted in either horizontal or vertical disposition. The blade mounting means on the mounting arm includes a draw bolt assembly seated in a slot on the mounting arm, and the slot is desirably configured so as to permit 90* rotation of the draw bolt assembly for mounting of the saw blade in either horizontal or vertical positions.

United States Patent [191 Merrow 1 HACKSAW WITH NOVEL BLADE MOUNTINGMEANS George W. Merrow, Bloomfield, Conn.

[73] Assignee: The Stanley Works, New Britain,

Conn.

221 Filed: July 16, 1973 21 App]. No.: 379,605

[75] Inventor:

[52] US. Cl. 145/33' R, 145/35 E, 145/108 R [51] Int. Cl B27b 21/00 [58]Field of Search. 145/33 R, 33 A, 35 E, 108 R,

145/31 R, 108 B, 33 AB, 33 B, 33 C, 33 D [5 6] References Cited UNITEDSTATES PATENTS 1,091,404 3/1914 Tilden 145/35 E 1,995,679 3/1935Kelley.... 145/108 R Primary Examiner-Al Lawrence Smith AssistantExaminer-J. T. Zatarga [111 3,821,974 1451 July 2,1974

[ ABSTRACT A hacksaw includes an integrally formed frame memberproviding a bridge section and outer and inner end sections dependingtherefrom. The inner end section has a reversely bent portion extendinglaterally to one side thereof to provide a transversely extendingmounting arm at its free end and a spacing between the transverselyextending mounting arm and the other arm of the reversely bent mountingportion. Handle means are provided on the inner end section and bladeengaging means are provided on the outer end section adjacent the freeend thereof for engaging one end of the hacksaw. Mounting means areprovided on the mounting arm to engage the other end of the associatedhacksaw blade. The blade engaging means on the outer end sectionincludes a transversely extending pin projecting from one side surfacethereof and a laterally offset leg portion adapted to bear upon the sidesurface of the associated hacksaw blade to-retain it upon thetransversely extending pin. The blade engaging means may also include adepending pin at the free end thereof so that the blade may be mountedin either horizontal or vertical disposition. The blade mounting meanson the mounting arm includes a draw bolt assembly seated in a slot onthe mounting arm, and the slot is desirably configured so as to permit90 rotation of the draw bolt assembly for mounting of the saw blade ineither horizontal or vertical positions.

14 Claims, 14 Drawing Figures PATENFEDJUL 2 I974 382L974 saw 2 or 3 28FIG.4' I2 HACKSAW WITH NOVEL BLADE MOUNTING MEANS BACKGROUND OF THEINVENTION Various structures have been proposed and marketed for use ashacksaws, most of which permit mounting of the blade in a verticalposition relative to the hacksaw frame and some of which permit mountingof the blade in a horizontal position relative to the frame. Inaddition, devices have been proposed in which the hacksaw blade is notsecured adjacent its outer end but is supported only inwardly from theouter end to provide an unobstructed end portion for operation in areaswhere there is little clearance.

Various structures have been proposed for providing a frame handle andblade tensioning means. Generally, such structures require amultiplicity of parts and consequent extensive assembly operations. As aresult, hacksaw frame assemblies tend to be of relatively high cost ifthe materials of construction and the quality of fabrication are offirst order. There has remained. a need for durable, good quality buteconomical hacksaw frame assemblies and there has also remained a needto insure both safety and versatility in relatively inexpensive hacksawframe assemblies.

Accordingly, it is an object of the present invention to provide a novelhacksaw employing a frame assembly with relatively few parts so as topermit economy of construction and facility of assembly.

It is also an object to provide such a hacksaw in which the blade may bepivoted upon the frame for use in either a vertical or a horizontalorientation.

Another object is to provide such a hacksaw in which the guard for theusers hand is integrally formed with the handle.

SUMMARY OF THE INVENTION It has now been found that the foregoing andrelated objects can be readily attained in a hacksaw comprising a framemember integrally formed with an elongated bridge section, an outer endsection depending from one end of the bridge section, and an inner endsection depending from the other end of the bridge section. The innerend section has a first portion which is connected at one end to thebridge section and depends therefrom and it also has a base portionextending from the other end of the first portion in the direction ofthe outer end section in spaced relationship to the bridge section. Thebase portion includes a reversely bent mounting portion which extendslaterally from the plane defined by the longitudinal axes of the bridgeand end sections to provide a transversely extending mounting arm at itsfree end and a spacing between the transversely extending mounting armand the other arm of the reversely bent mounting portion.

Handle means is provided on the inner end section for gripping of thehacksaw, and blade engaging means is provided on the outer end sectionadjacent the free end thereof for engaging one end of the hacksaw blade.Mounting means is provided on the mounting arm in substantial alignmentwith the blade engaging means of the outer end section for engaging theother end of the associated hacksaw blade in cooperation with the bladeengaging means so as to engage firmly the hacksaw blade therebetween.

In the preferred embodiment, the blade engaging means on the outer endsection includes a transversely extending pin projecting from one sidesurface thereof and adapted to seat in an aperture formed in theassociated hacksaw blade. A depending leg. portion is formed at the freeend of the outer end section and is laterally offset in the direction ofthe pin and spaced from the pin towards the inner end section. As aresult, this leg portion is adapted to bear upon the side surface of theassociated hacksaw blade which is opposite that surface disposed againstthe surface of the outer end section about the pin so as to retain theend of the hacksaw blade upon the pin. The pin and leg portion aredesirably integrally formed in the frame member with the pin beingextruded from the material thereof and the leg portion being bentoutwardly from the material thereof adjacent the free end of the outerend section.

The mounting means on the mounting arm includes a slot in the mountingarm and a draw bolt assembly seated in the slot, and the draw boltassembly includes a draw bolt having a pin adapted to seat in anaperture formed adjacent the end of the associated hacksaw blade. In thepreferred embodiment the draw bolt is of plate-like cross section withthe pin formed adjacent one end thereof and with threads formed adjacentthe other end thereof and a portion of reduced cross sectionintermediate the pin and the threads which may rotate in the slot of themounting arm. Nut means is threadably engaged on the threads of the drawbolt to effect tensioning'of the associated saw blade.

To permit mounting of the hacksaw blade in horizontal position, theblade engaging means on the outer end section includes a pin projectingfrom the free end thereof and adapted to seat in the aperture of theassociated hacksaw blade, and the mounting means on the mounting armincludes draw bolt means which is pivotally mounted on the mounting armto permit pivoting thereof. In its preferred aspect, the mounting armhas a slot which extends inwardly from the free end thereof with anL-shaped portion spaced inwardly from the free end, and the draw boltmeans includes a draw bolt of plate-like cross section with a portion ofreduced cross section intermediate its ends, which is adapted to seat ineither one of the legs of the L-shaped portion of the slot.

In its preferred aspect, the handle means is formed with a generallyvertically extending aperture therein to receive the fingers of the userand to provide a guard disposed towards the outer end section.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of ahacksaw embodying the present invention and adapted to orient thehacksaw blade only in vertical disposition;

FIG. 2 is a side elevational view thereof;

FIG. 3 is an elevational view of the opposite side thereof;

FIG. 4 is a plan view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is an elevational view of the handle end thereof;

FIG. 7 is an elevational view of the opposite end thereof;

FIG. 8 is a fragmentary side elevational view thereof with the blade anddraw bolt assembly removed and with portions of the handle broken awayto reveal internal construction;

FIG. 9 is a sectional view along the line 9-9 of FIG. 8 to an enlargedscale and with one-half of the handle assembly shown moved apart fromthe other half;

FIG. 10 is a sectional view along the line 10--l0 of FIG. 8 to anenlarged scale;

FIG. 1 l is a side elevational view of anotherhacksaw embodying thepresent invention with the hacksaw blade being shown in phantom line inthe vertical disposition thereof;

FIG. 12 is a fragmentary elevational view of the hacksaw showing thehacksaw blade in phantom line in the horizontal disposition thereof;

FIG. 13 is a fragmentary perspective view of the outer end section ofthe hacksaw frame to an enlarged scale; and

FIG. 14 is a fragmentary perspective view of the mounting arm portion ofthe hacksaw frame to an enlarged scale.

DETAILED DESCRIPTION OF THE ILLUSTRATED EMBODIMENTS Turning first to theembodiment of FIGS. 1-10, therein illustrated is a hacksaw utilizing theconcepts of the present invention and generally comprised of anintegrally formed frame generally designated by the numeral 10, a handlegenerally designated by the numeral 12, a draw bolt assembly generallydesignated by the numeral 14 and the hacksaw blade generally designatedby the numeral 16.

Turning first in detail to the structure of the hacksaw frame 10, thisis integrally formed from metal stock with an elongated bridge section18, a depending outer end section and a depending inner end section 22whichis best seen in FIG. 8. Adjacent the free end of the outer endsection 20, the metal of the frame 10 is deformed so as to extrude orpunch-out a transversely extending pin 24 from one side surface thereof.An elongated slot 26 extends inwardly from the free end of the outer endsection 20 at a point spaced towards the inner end section 22 from thepin 24 to provide a depending leg 28. In turn this leg 28 is bent toprovide an axial offset which defines a channel between its innersurface and the opposing surface of the outer end section 20 about thepin 24. As a result, the hacksaw blade 16 may be secured upon the outerend section 20 by seating the pin 24 in an aperture formed at the oneend thereof and then pivoting the blade 16 into this channel so that theleg portion 28 will bear against the surface of the hacksaw blade 16opposite that surface which is bearing upon the surface of the outer endsection 20 about the pin 24. This minimizes any tendency for the hacksawblade 16 to lift-off the pin 24 when the blade 16 is in the operativeposition.

Turning now to the inner end section 22 of the frame 10, this includes afirst portion 30 of generally C- shaped configuration which is connectedat its upper end to the bridge section 18, and a base portion 32 whichis connected to the bottom end of the first portion 30. The base portion32 in turn includes a reversely bent mounting portion 34 extendinglaterally from the plane defined by the longitudinal axes of the bridgesection 18 and outer and inner end sections 20, 22, respectively. As aresult of this configuration, the mounting portion includes atransversely extending mounting arm 36 at the free end of the baseportion, an

intermediate web portion 38 .and an inner arm 40 spaced from themounting arm 36 so as to provide a channel therebetween. In thisembodiment a slot 42 of generally T-shaped configuration extendsinwardly from the free end of the mounting arm 36.

Seated in the slot 42 of the mounting arm 36 is the draw bolt ortensioning bolt assembly 14 which is generally comprised of theplate-like draw bolt 44 which has a pin 46 projecting from one sidesurface thereof and formed by staking from the metal of the draw bolt.At its opposite end the draw bolt 44 is provided with threads 48 on ashank portion of reduced width relative to the head or end from whichthe pin 46 is formed, and it can be seen that the head is of greaterwidth than the width of the vertically extending portion of the T-slot42 so as to prevent its being drawn therethrough. The draw bolt 44 alsoincludes a portion of reduced width 50 intermediate the head portionbearing the pin 46 and the shank portion beaing the threads 48 so as topermit its rotation within the slot 42. Seated upon the draw'bolt 44 isa washer 52 which bears against the surface of the mounting arm 36 and awing nut 54 which is threadably engaged upon the threads 48. As aresult, the hacksaw blade 16 may be seated upon the draw bearingassembly 14 by extending the pin 46 through the aperture formed adjacentthe end thereof and it may then be tensioned by threading the wing nut54 upon the draw bolt 44 to pull the inner end of the hacksaw blade 16tightly towards the mounting arm 36.

As best seen in FIGS. 8 and 9, the bridge section 18 of the frame 10 isprovided with an aperture 56 adjacent its juncture junctre with theinner end section 22. The handle 12 in turn is fabricated in two halves58, 60 which have interfitting lips 62, 64 along their mating edges andwhich are joined together about the bridge section 18 and inner endsection 22. The security of the assembly is enhanced by the lug 66 onthe handle half 58 which seats in the aperture 56 formed in the bridgesection 18. As seen, the handle halves 58, 60 have internal ribs andbosses to snugly fit about the bridge section 18 and inner end section22 to provide a firm assembly, while at the same time minimize theamount of material required for the handle 12. The handle halves 58, 60are provided with aligned elongated apertures therein which slopeupwardly and forwardly to provide the finger receiving aperture 68 withthe handle portion 70 forwardly thereof serving as a guard for the usershand.

In the utilization of this embodiment, the hacksaw blade 16 may bemounted only in a vertical position with its teeth 72 extending eitherdownwardly or upwardly as desired by the user. To assemble or changeblades, the user first mounts the forward end of the blade 16 on the pin24 with the blade extending generally downwardly from the outer endsection 20. The hacksaw blade 16 is then pivoted upwardly into therecess defined by the depending leg portion 28 and the opposite end issnapped over the pin 46 upon the draw bolt assembly 14. Turning the wingnut 54 upon the draw bolt 44 will then tension the hacksaw blade 16 andsecure it firmly in position.

Turning now to the embodiment of FIGS. 11-14, this is designed toaccommodate the hacksaw blade 16 in either a vertical or a horizontaldisposition relative to theplane defined by the principal axes of thebridge section 18 and end sections 20, 22 of the frame 10. In thesefigures, the same numerals are employed to designate the equivalentparts as had been employed with respect to the embodiment of FIGS. 1-10and new numerals will be employed to designate additional or modifiedelements and features.

As best seen in FIG. 13, the outer end section 20 has a depending pin 74extending from the free end thereof below the transversely extending pin24 and it is dimensioned and configured to seat in the aperture of thehacksaw blade 16 when it is mounted in the horizontal position shown inFIG. 12. The mounting arm 36 of this embodiment is provided with acomplexly configured slot generally designated by the numeral 76 andhaving a channel portion 78 extending inwardly from the free end thereofinto an L-shaped portion provided by a leg portion 80 extending parallelto the free end and a leg portion 82 extending perpendicularly thereto.With the blade 16 in the horizontal disposition shown in FIG. 12, thedraw bolt 44 is disposed in the leg portion 82 of the slot 76.

When vertical disposition is desired, the draw bolt 44 may be loosenedby rotating the wing nut 54 to bring the reduced width portion of thedraw bolt 44 into the slot 76 to permit its rotation. The draw bolt 44may then be rotated so as to dispose it in the leg portion 80. To effectthe change in disposition of the hacksaw blade 16, it is necessaryinitially to disengage the blade 16 from the pin 46 upon the draw bolt44 and remove it from the pin 74 on the outer end section 20. Thehacksaw blade 16 is then mounted upon the pin 24 and pivoted upwardlyinto the guide channel provided by the leg portion 28 and then snappedover the pin 46 on the draw bolt 44, following which the wing nut 54 istightened to secure and tension the hacksaw blade 16.

It will be appreciated that various materials can be utilized for thefabrication of several components. Conveniently, the frame is blankedfrom sheet metal stock and the bends therein are formed after staking ofthe pin and cutting and stamping of the slots necessary to form theoffset leg and the mounting portion. The handle halves are desirablyfabricated from synthetic plastic material and may be readily securedabout the frame by ultrasonic welding, adhesives or other suitabletechniques. Although other materials may be employed, it has been foundpreferable to utilize hardened steel for the draw bolt and nut so as toinsure a rugged structure. It will be appreciated that variations in theillustrated configurations for the several components may be employedwithout deviating from the basic concepts of the present invention asmay be other materials of construction.

Thus, it can be seen that the hacksaw of the present invention utilizesa relatively simple, economical and rugged frame assembly formed from aminimum of parts and permitting the use of highly durable materials. Thehacksaw blade may be located in position and tensioned fully by a simplebut durable assembly. In the one embodiment, the hacksaw blade can beoriented in either vertical or horizontal positions with relativefacility and again utilizing a minimum number of parts.

Having thus described the invention, 1 claim:

1. A hacksaw comprising:

a frame member integrally formed with an elongated bridge section, anouter end section depending from one end of said bridge section and aninner end section depending from the other end of said bridge section,said inner end section having a first portion connected at one end tosaid bridge section and depending therefrom and a base portion extendingfrom said other end of said first portion in the direction of said outerend section in spaced relationship to said bridge section, said baseportion including a reversely bent mounting portion extending laterallyfrom the plane defined by the longitudinal axes of said bridge and endsections to provide a transversely extending mounting arm at its freeend and a spacing between said transversely extending mounting arm andthe other arm of said reversely bent mounting portion; handle means onsaid inner end section; blade engaging means on said outer end sectionadjacent the free end'thereof for engaging one end of a hacksaw; and

mounting means on said mounting arm in substantial alignment with saidblade engaging means of said outer end section for engaging the otherend of an associated hacksaw blade and cooperation with said bladeengaging means to engage firmly a hacksaw blade therebetween.

2. The hacksaw of claim 1 wherein said handle means is formed with agenerally vertically extending aperture therein to receive the fingersof the user and provide a guard disposed towards said outer end section.

3. The hacksaw of claim 1 wherein said mounting means on said mountingarmincludes a slot in said mounting arm and a draw bolt assembly seatedin said slot, said draw bolt assembly including a draw bolt having a pinadapted to seat in an aperture fonned in the associated hacksaw blade.

4. The'hacksawof claim 3 wherein said draw bolt assembly includes a drawbolt of plate-like cross section having said pin formed adjacent one endthereof and having threads formed adjacent the other end thereof with aportion of reduced cross section intermediate said pin and said threads,said reduced cross section of said draw bolt being seated in said slotof said mounting arm, said draw bolt assembly further including nutmeans threadably engaged on said threads of said draw bolt to effecttensioning of the associated saw blade.

5. The hacksaw of claim 1 wherein said blade engaging means on saidouter end section includes a transversely extending pin projecting fromone side surface thereof and adapted to seat in an aperture formed inthe associated hacksaw blade.

6. The hacksaw of claim 5 wherein said blade engaging means alsoincludes a depending leg portion at the free end of said outer endsection laterally offset in the direction of said pin and spaced fromsaid pin towards said inner end section, said laterally offset legportion being adapted to bear upon the side surface of the associatedhacksaw blade opposite that disposed against the surface of said outerend section about said pin so as to retain the end of the hacksaw bladeupon said pin.

7. The hacksaw of claim 6 wherein said pin and said leg portion areintegrally formed in said frame member,

. said pin being extruded from the material thereof and said leg portionbeing bent outwardly from the material thereof adjacent the free end ofsaid outer end section.

8. The hacksaw of claim 5 wherein said blade engaging means on saidouter end section includes a pin projecting from the free end thereofand adapted to seat in an aperture formed in the associated hacksawblade,

and wherein said mounting means on said mounting arm includes draw boltmeans on said mounting arm having a pin adapted to engage in an apertureat the other end of an associated hacksaw blade, said draw bolt meansbeing pivotally mounted on said mounting arm whereby the hacksaw blademay be mounted on either of said pins on said outer end section and thusmounted for horizontal or vertical sawing action.

9. The hacksaw of claim 8 wherein said mounting arm has a slot extendinginwardly from the free end thereof with an L-shaped portion spaced fromsaid free end, said draw bolt means including a draw bolt of plate-likecross section with a portion of reduced cross section intermediate itsends adapted to seat in either one of the legs of said L-shaped portion.

10. The hacksaw of claim 9 wherein said blade engaging means alsoincludes a depending leg portion at the free end of said outer endsection laterally offset in the direction of said transversely extendingpin and spaced from said transversely extending pin towards said innerend section, said laterally offset leg portion being adapted to bearupon the side surface of the associated hacksaw blade opposite thatdisposed against the surface of said outer end section about saidtransversely extending pin so as to retain the end of the hacksaw bladeupon said pin in the vertical mounting thereof.

11. A hacksaw comprising:

a frame member integrally formed with anelongated bridge section, anouter end section depending from one end of said bridge section and aninner end section depending from the other end of said bridge section,said inner end section having a first portion connected at one end tosaid bridge section and depending therefrom and a base portion extendingfrom said other end of said first portion in the direction of said outerend section in spaced relationship to said bridge section, said baseportion including a reversely bent mounting portion extending laterallyfrom the plane defined by the longitudinal axes of said bridge and endsections to provide a transversely extending mounting arm at its freeend and a spacing between said transversely extending mounting arm andthe other arm of said reversely bent mounting portion, said mounting armhaving an aperture therein;

handle means on said inner end section;

blade engaging means on said outer end section adjacent the free endthereof for engaging one end of a hacksaw; and

mounting means seated in said aperture of said mounting arm insubstantial alignment with said blade engaging means of said outer endsection, said mounting means including a draw bolt having means thereonfor engaging the other end of an associated hacksaw blade and nut meanson said draw bolt in said spacing between the arms of said mountingportion for drawing said draw bolt toward said other arm thereof, saidmounting means cooperating with said blade engaging means to engagefirmly a hacksaw blade therebetween.

12. The hacksaw of claim 11 wherein said blade engaging means on saidouter end section includes a transversely extending pin projecting fromone side surface thereof and adapted to seat in an aperture formed inthe associated hacksaw blade and wherein said blade engaging means alsoincludes a depending leg portion at the free end'of said outer endsection laterally offset in the direction of said pin and spaced fromsaid pin toward said inner end section, said laterally offset legportion being adapted to bear upon the side surface of the associatedhacksaw blade opposite that disposed against the surface of said outerend section about said pin so as to retain the end of the hacksaw bladeupon said pin.

13. The hacksaw of claim 11 wherein said aperture in said mounting armis a slot extending inwardly from the free end thereof and wherein saidmeans on said draw bolt for engaging the saw blade is a pin projectingtherefrom adapted to seat in an aperture in a hacksaw blade.

14. The hacksaw of claim 13 wherein said blade engaging means on saidouter end section includes a pin depending from the free end thereof andadapted to seat in the aperture of the associated hacksaw blade andwherein said draw bolt is pivotably mounted in said slot whereby thehacksaw blade may be mounted on either of said pins on said outer endsection and thus mounted for vertical or horizontal sawing action.

1. A hacksaw comprising: a frame member integrally formed with anelongated bridge section, an outer end section depending from one end ofsaid bridge section and an inner end section depending from the otherend of said bridge section, said inner end section having a firstportion connected at one end to said bridge section and dependingtherefrom and a base portion extending from said other end of said firstportion in the direction of said outer end section in spacedrelationship to said bridge section, said base portion including areversely bent mounting portion extending laterally from the planedefined by the longitudinal axes of said bridge and end sections toprovide a transversely extending mounting arm at its free end and aspacing between said transversely extending mounting arm and the otherarm of said reversely bent mounting portion; handle means on said innerend section; blade engaging means on said outer end section adjacent thefree end thereof for engaging one end of a hacksaw; and mounting meanson said mounting arm in substantial alignment with said blade engagingmeans of said outer end section for engaging the other end of anassociated hacksaw blade and cooperation with said blade engaging meansto engage firmly a hacksaw blade therebetween.
 2. The hacksaw of claim 1wherein said handle means is formed with a generally verticallyextending aperture therein to receive the fingers of the user andprovide a guard disposed towards said outer end section.
 3. The hacksawof claim 1 wherein said mounting means on said mounting arm includes aslot in said mounting arm and a draw bolt assembly seated in said slot,said draw bolt assembly including a dRaw bolt having a pin adapted toseat in an aperture formed in the associated hacksaw blade.
 4. Thehacksaw of claim 3 wherein said draw bolt assembly includes a draw boltof plate-like cross section having said pin formed adjacent one endthereof and having threads formed adjacent the other end thereof with aportion of reduced cross section intermediate said pin and said threads,said reduced cross section of said draw bolt being seated in said slotof said mounting arm, said draw bolt assembly further including nutmeans threadably engaged on said threads of said draw bolt to effecttensioning of the associated saw blade.
 5. The hacksaw of claim 1wherein said blade engaging means on said outer end section includes atransversely extending pin projecting from one side surface thereof andadapted to seat in an aperture formed in the associated hacksaw blade.6. The hacksaw of claim 5 wherein said blade engaging means alsoincludes a depending leg portion at the free end of said outer endsection laterally offset in the direction of said pin and spaced fromsaid pin towards said inner end section, said laterally offset legportion being adapted to bear upon the side surface of the associatedhacksaw blade opposite that disposed against the surface of said outerend section about said pin so as to retain the end of the hacksaw bladeupon said pin.
 7. The hacksaw of claim 6 wherein said pin and said legportion are integrally formed in said frame member, said pin beingextruded from the material thereof and said leg portion being bentoutwardly from the material thereof adjacent the free end of said outerend section.
 8. The hacksaw of claim 5 wherein said blade engaging meanson said outer end section includes a pin projecting from the free endthereof and adapted to seat in an aperture formed in the associatedhacksaw blade, and wherein said mounting means on said mounting armincludes draw bolt means on said mounting arm having a pin adapted toengage in an aperture at the other end of an associated hacksaw blade,said draw bolt means being pivotally mounted on said mounting armwhereby the hacksaw blade may be mounted on either of said pins on saidouter end section and thus mounted for horizontal or vertical sawingaction.
 9. The hacksaw of claim 8 wherein said mounting arm has a slotextending inwardly from the free end thereof with an L-shaped portionspaced from said free end, said draw bolt means including a draw bolt ofplate-like cross section with a portion of reduced cross sectionintermediate its ends adapted to seat in either one of the legs of saidL-shaped portion.
 10. The hacksaw of claim 9 wherein said blade engagingmeans also includes a depending leg portion at the free end of saidouter end section laterally offset in the direction of said transverselyextending pin and spaced from said transversely extending pin towardssaid inner end section, said laterally offset leg portion being adaptedto bear upon the side surface of the associated hacksaw blade oppositethat disposed against the surface of said outer end section about saidtransversely extending pin so as to retain the end of the hacksaw bladeupon said pin in the vertical mounting thereof.
 11. A hacksawcomprising: a frame member integrally formed with an elongated bridgesection, an outer end section depending from one end of said bridgesection and an inner end section depending from the other end of saidbridge section, said inner end section having a first portion connectedat one end to said bridge section and depending therefrom and a baseportion extending from said other end of said first portion in thedirection of said outer end section in spaced relationship to saidbridge section, said base portion including a reversely bent mountingportion extending laterally from the plane defined by the longitudinalaxes of said bridge and end sections to provide a transversely extendingmounting arm at its free end and a spacing between said transverselyextendinG mounting arm and the other arm of said reversely bent mountingportion, said mounting arm having an aperture therein; handle means onsaid inner end section; blade engaging means on said outer end sectionadjacent the free end thereof for engaging one end of a hacksaw; andmounting means seated in said aperture of said mounting arm insubstantial alignment with said blade engaging means of said outer endsection, said mounting means including a draw bolt having means thereonfor engaging the other end of an associated hacksaw blade and nut meanson said draw bolt in said spacing between the arms of said mountingportion for drawing said draw bolt toward said other arm thereof, saidmounting means cooperating with said blade engaging means to engagefirmly a hacksaw blade therebetween.
 12. The hacksaw of claim 11 whereinsaid blade engaging means on said outer end section includes atransversely extending pin projecting from one side surface thereof andadapted to seat in an aperture formed in the associated hacksaw bladeand wherein said blade engaging means also includes a depending legportion at the free end of said outer end section laterally offset inthe direction of said pin and spaced from said pin toward said inner endsection, said laterally offset leg portion being adapted to bear uponthe side surface of the associated hacksaw blade opposite that disposedagainst the surface of said outer end section about said pin so as toretain the end of the hacksaw blade upon said pin.
 13. The hacksaw ofclaim 11 wherein said aperture in said mounting arm is a slot extendinginwardly from the free end thereof and wherein said means on said drawbolt for engaging the saw blade is a pin projecting therefrom adapted toseat in an aperture in a hacksaw blade.
 14. The hacksaw of claim 13wherein said blade engaging means on said outer end section includes apin depending from the free end thereof and adapted to seat in theaperture of the associated hacksaw blade and wherein said draw bolt ispivotably mounted in said slot whereby the hacksaw blade may be mountedon either of said pins on said outer end section and thus mounted forvertical or horizontal sawing action.